Fix AS210 error where expressions are never null (#45) #56

	name: Performance benchmark

	on:
	push:
	branches: [main]

	jobs:
	benchmark:
	name: Performance regression check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Setup Node.js
	uses: actions/setup-node@v1
	with:
	node-version: 15
	- run: npm ci
	- run: npm run asbuild
	# Run benchmark with `go test -bench` and stores the output to a file
	- name: Run benchmark
	run: npm run benchmark \| tee benchmark/output.txt
	# Download previous benchmark result from cache (if exists)
	- name: Download previous benchmark data
	uses: actions/cache@v1
	with:
	path: ./cache
	key: ${{ runner.os }}-benchmark
	# Run `github-action-benchmark` action
	- name: Store benchmark result
	uses: rhysd/github-action-benchmark@v1
	with:
	# What benchmark tool the output.txt came from
	tool: "benchmarkjs"
	# Where the output from the benchmark tool is stored
	output-file-path: benchmark/output.txt
	# Personal access token to deploy GitHub Pages branch
	github-token: ${{ secrets.PERSONAL_GITHUB_TOKEN }}
	# Enable alert commit comment
	comment-on-alert: true
	# Mention @colineberhardt in the commit comment
	alert-comment-cc-users: "@colineberhardt"
	# Push and deploy GitHub pages branch automatically
	auto-push: true

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